311Limit on number of accounting periods for which supplement may be claimedU.K.
(1)A company may claim supplement under this Chapter in respect of no more than 6 accounting periods.
(2)The accounting periods in respect of which claims are made need not be consecutive.
(3)A claim for supplement by the company under Schedule 19B to ICTA (exploration expenditure supplement) in respect of an accounting period is to count for the purposes of this section as a claim for supplement under this Chapter in respect of that accounting period.
(4)But, if the company makes a claim for supplement under this Chapter in respect of the deemed accounting period, any claim for supplement by the company under Schedule 19B to ICTA in respect of the Schedule 19B deemed accounting period is to be ignored for the purposes of this section.
(5)In subsection (4)—
“the deemed accounting period” means the deemed accounting period under section 309(3) beginning on 1 January 2006, and
“the Schedule 19B deemed accounting period” means the deemed accounting period under paragraph 3(3) of Schedule 19B to ICTA ending before 1 January 2006.